Iko aquabarrier mastic is a unique, modified asphalt sealant that is formulated with synthetic rubbers for longevity and glass fibers for extra strength. Stone mastic asphalt is a gap graded bituminous mixture containing a high proportion of coarse aggregate and filler. Description of the product mastic asphalt ma is a dense mixture consisting of coarse aggregate, andor sand, and or limestone fine aggregate, andor filler and bitumen, which may contain additives for example. Size 10 mm stone mastic asphalt sma that a re in addition to or override the requirements of section 407. Our manufacturing plant provides a reliable, continuous supply to our roadmastic specialist crews both in the repair and restoration of existing road ironworks and the preparation of new roadworks for final surfacing. Pdf the paper is focused on determination of durability of the stonemastic asphalt sma concrete, containing various stabilizing additives. Stone mastic asphalt sma offers high levels of durability making it ideally suited for heavily trafficked roads, commercial and industrial areas subjected to heavy loading and will stand up to the stresses that modern vehicles with power steering create on driveways. Environmental and economic considerations have encouraged civil engineers to find ways to reuse recycled materials in new constructions. To ensure that tenders are based upon the specific grades of mastic asphalt required, it is essential that the asphalt contractor is given precise details of the bss number and of the table and column number therein.
There are three major types of asphalt surfacings, characterized by a mixtureof bitumen and stone aggregate. Stone mastic asphalt has a number of advantag es over conve ntional dense graded asphalt. Mastic asphalt definition of mastic asphalt by the free. A mixture of bitumen with crushed stone gravel or sand, used for paving or roofing. Stone mastic asphalt sma, also called stonematrix asphalt, was developed in germany in the 1960s with the first sma pavements being placed in 1968 near kiel. The industrial sma is for more heavy duty requirements with larger traffic movements. Sumit thakur civil stone mastic asphalt seminar and ppt with pdf report. File on 4 found the same surfaces are banned in ireland on some roads because of fears about poor grip. The stone matrix asphalt sma which was familiar in germany during 1960s. The materials stone mastic asphalt, or sma are approved by the highways agency for trunk roads and motorways. Also explore the seminar topics paper on stone mastic asphalt with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year civil engineering ce or ieee civil construction btech, be, mtech students for the year 2015 2016. Roadmastic polymer modified mastic asphalt manufacturing. Mastic asphalt on the largest bridge structure in the world.
This research study seeks to identify the characteristics and properties of glass fiber reinforced stone mastic asphalt with specific emphasis. Stone matrix asphalt sma is a tough, stable, rutresistant mixture that relies on stone on stone contact to provide strength and a rich mortar binder to provide durability 1. Stone mastic asphalt seminar report, ppt, pdf for civil engineering. Read 10 reasons to choose mastic asphalt on the mastic asphalt council website. One way to reduce the expense of such construction and to make it more convenient is the application of inexpensive polymer, such as waste polymer. Mastic asphalt an introduction in this post we introduce mastic asphalt, a centuries old roofing material that is still in use today in both traditional and more modern forms. This specification, stone mastic asphalt for airfields, has been devised for use of the crown and of its contractors in the execution of contracts for the crown and, subject to the unfair contracts terms action 1977, the crown will not be liable in any way whatever including but without.
Commercial vehicles include all mediumheavy goods vehicles and buses classified in the annual traffic census issued by the transport department. The high stone content of at least 70% ensures stoneonstone contact after compaction. Effects of filler type and particle size on permanent deformation of stone mastic asphalt sma mixtures article pdf available january 2012 with 1,119 reads how we measure reads. Sma stone matrix asphalt is a coarse graded rut resistant engineered hot mix asphalt surface layer. Sma is a coarse graded asphalt containing a high proportion of binder and added fil ler with the addition of cellulose fibre. It has low air voids with high levels of macro texture when laid, resulting in a waterproof layer with good surface drainage 10. The primary aim of this study was to investigate the effect of adding waste tyre rubber crumb rubber modifier crm on the stiffness and fatigue. Sma has found use in europe, australia, the united states, and canada as a durable asphalt surfacing option for residential streets. Asphalt mixtures have been used in pavement construction since the beginning of the twentieth. Waste plastic as a stabilizing additive in stone mastic.
Stone mastic asphalt can also be used for regulating and binder courses. Mastic asphalt synonyms, mastic asphalt pronunciation, mastic asphalt translation, english dictionary definition of mastic asphalt. Performance evaluation of stone mastic asphalt and hot mix. North dakota asphalt conference april 2, 20 bismarck, nd. Stone mastic asphalt is a thin asphalt surfacing mix, which has very good rut resistance properties and excellent durability compared to standard asphalt. The use of stone mastic asphalt and thin surfacing. The current paper presents an experimental research on the possibility of utilizing recycled concrete aggregates rca in stone mastic asphalt sma and hot mix asphalt hma mixtures. Material specification for superpave, stone mastic and. Zichner who is manager of central laboratory for road construction at the strabag bau ag was its designer.
The mastic asphalt industry a global perspective the mastic asphalt industry a global perspective 1. Three categories of rca in various percentages were mixed with virgin. Stone mastic asphalt sma surface courses bim object. Pdf performance evaluation of stone mastic asphalt sma using. Stone mastic asphalt was developed in germany in the mid of 1960s and it has scatter throughout europe and the entire world in 1980s and 1990s respectively. These are dense graded asphalt, stone mastic asphalt and open graded asphalt. Roadstone produces an industrial and commercial sma for different applications. Stone mastic asphalt was developed in germany during the mid 1960s. These objectives are usually achieved with a gapgraded aggregate coupled with fiber or polymer modified, and high asphalt content matrix 1. It can be applied on damp or dry surfaces and will not slump or pull away from the substrate. During the ongoing process of the trials, the performance of the trial sites is being monitored regularly with a view to determine the technical application criteria of. Stone mastic asphalt sma surface course are described by characteristics such as target composition, added filler and recycled content maximum.
Explore stone mastic asphalt with free download of seminar report and ppt in pdf and doc format. Stone mastic asphalt sma and open graded asphalt oga. Stone mastic asphalt or stone matrix asphalt sma means hma consisting of two parts of a coarse aggregate skeleton and an asphalt binder rich mortar. Stone matrix asphalt sma, also called stone mastic asphalt, is a durable and rutresistant gapgraded. It has been developed for use with roadworks and bridgeworks contracts let by roads and maritime services or by local councils in nsw. Deery repair mastic is composed of select asphalt grades andor resins. This structure improves the strength and the performance of sma even higher than the dense graded and open graded asphalt mixtures. The mastic asphalt industry a global perspective final. The voids of the structural matrix are filled with high viscosity bituminous mastic. The mixtures of the mix group stone mastic asphalt are produced on the basis of hot.
So, during these sixties the tendency in surface courses in germany was to use guss asphalt mastic asphalt. View our mastic asphalt pages to find out more about iko permaphalt polymer modified mastic asphalt and. The use of stone mastic asphalt and thin surfacing materials dem 067. It is not suitable for any other purpose and must not be used for any other purpose or in any other context. The use of stone mastic asphalt sma as a surfacing for heavily trafficked roads is becoming mote common in australia and new zealand. Characterization of mastic asphalt with cold mix partha paratim biswas, manoj kumar sahis, dipesh majumder, chinmoy seal and gokul mandal abstract in the present study, an attempt has been made to use cold mix technology as an alternative approach for preparation of mastic asphalt. The product comprises suitably graded aggregates bound together with an asphaltic cement primarily refined bitumens to produce a dense. Description of the product mastic asphalt ma is a dense mixture consisting of coarse aggregate, andor sand, and or limestone fine aggregate, andor filler and bitumen, which may contain additives for example polymers, waxes. Wc and pmsma10 denote wearing course and 10mm nominal size stone mastic asphalt containing polymer modified bitumen respectively.
Pdf determination of stonemastic asphalt concrete durability. Stone mastic asphalt colorado department of transportation. It is composed of a strong aggregate skeleton, and a binder mastic composed of a high asphalt cement. Deery repair mastic is a hotapplied prepackaged, readytomelt mastic material for concrete and asphalt pavements. It provides a deformationresistant, durable surfacing material, suitable for heavily trafficked roads.
The mix has a gap graded aggregate skeleton with coarse aggregate stoneonstone contact. Material specification for superpave, stone mastic and warm mix asphalt page 5 of 28 ts 1151 september 2017 performance graded asphalt cement pgac means and asphalt binder that is an asphaltbased cement produced from petroleum residue, either with or. The high stone content of at least 70% ensures stone on stone contact after compaction. The importance of stone mastic asphalt in construction electronic. Originally developed in germany in the early 1960s, it is now used extensively as a surfacing material across the total german road network, where it is a commonly specified surfacing material due to its improved stability relative to other asphalt. Find out more about the carbon100 initiative, which means that a mastic asphalt roofing is carbon neutral. Stone mastic asphalt sma stone mastic asphalt is a gap graded mix, with a high binder content and a high proportion of coarse aggregate providing an interlocking stoneonstone skeleton giving good deformation resistance. Roadstone stone mastic asphalt surface course materials are produced using high quality aggregates, bitumen and cellulose fibres. Stone mastic asphalt sma is a tough, stable, rut resistant and durable asphalt surfacing mix. Aquabarrier mastic roof sealant offered in tubes or 10. Stone mastic asphalt sma is a stone on stone like skeletal structure of gap graded aggregate, bonded together by mastic, which actually is higher binder content, filler and fiber to reduce the binder drain. Stone mastic asphalt sma is a stoneonstone like skeletal structure of gap graded aggregate, bonded together by mastic, which actually is higher binder content, filler and fiber to reduce the binder drain. Asphalt concrete commonly called asphalt, blacktop, or pavement in north america, and tarmac, bitumen macadam, or rolled asphalt in the united kingdom and the republic of ireland is a composite material commonly used to surface roads, parking lots, airports, as well as the core of embankment dams. Stone mastic asphalt sma, also called stonematrix asphalt, was developed in germany in the 1960s.
The original purpose was to provide a surfacing that offered maximum resistance to. Introduction stone mastic asphalt sma, otherwise known as stone matrix asphalt split mastic asphalt, was developed in germany in the mid of 1960s and it has spread. Fatigue characteristics of stone mastic asphalt mix. Stone mastic asphalt is characterised by its high stone content which forms a gapgraded skeletonlike stone structure. It provides a deformationresistant, durable surfacing material, suitable for heavily. Today, virgin polymer modified asphalt mixes are comparatively more expensive for road pavement. Functional performance of stone mastic asphalt pavements. Stone mastic asphalt sma hot mix types means sma 9.
Stone mastic asphalt sma is widely used throughout the world as one of the preferred asphalt surfacings. Stone mastic asphalt demonstration of the placement of stone matrix asphalt in colorado research report 19951, authors. Aquabarrier mastic is fully compatible with iko waterproofing, air and vapour barrier and roofing system products. Dynamic properties and fatigue life of stone mastic. While it is primarily used for heavily trafficked roads and is the preferred surfacing in some countries, sma can be used for all types of pavements. This page contains stone mastic asphalt seminar and ppt with pdf report. In the next post well introduce some buildups and describe some applications for the product. All bsi british standards available online in electronic and print formats. Pdf there are three major types of asphalt surfacings, characterized by a mixtureof bitumen and stone aggregate. Problems of stone mastic asphalt use in north queensland.
The mastic asphalt industry a global perspective march 20 page 3 of 30 the mastic asphalt industry a global perspective 1. Normal duty size 10 mm sman, and heavy duty size 10 mm smah. Pdf the importance of stone mastic asphalt in construction. The department for transport said just because roads require further investigation, it doesnt necessarily mean they are unsafe. Stone mastic asphalt sma is a gapgraded, highly textured and durable surface mix with a much higher percentage of stone and more asphalt cement than conventional hma advantages of sma over conventional hma are. A bitumen rich mastic mortar binds the aggregate skeleton together, resulting in toughness and excellent durability. An example use may be within an asphalt paving maintenance system.
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